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All Products / Optics / Optical Mirrors / Focusing (Concave) Mirrors / λ/8 Precision Spherical Mirrors
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

4.25" Dia. x 45" FL Prot. Alum., Spherical Mirror

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Stock #50-051 3-4 days
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£481.95
Qty 1-9
£481.95
Qty 10+
£409.70
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Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
BOROFLOAT®
Focal Length Tolerance (%):
±2
Surface Quality:
60-40
Surface Accuracy:
λ/8
Diameter (inches):
4.25
Diameter (mm):
107.95 +0.5/-0
Diameter Tolerance (inches):
+0.02/-0
Effective Focal Length EFL (inches):
45.0
Effective Focal Length EFL (mm):
1,143.00
Radius of Curvature (mm):
2,286.00
Aperture (f/#):
f/10.6
Coating:
Protected Aluminum (400-2000nm)
Coating Specification:
Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Coating Type:
Metal
Back Surface:
Ground
Edge Thickness ET (inches):
0.75
Edge Thickness ET (mm):
19.05
Edge Thickness Tolerance (%):
+0.0/-10
Type:
Spherical Mirror
Wavelength Range (nm):
400 - 2000
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.3 J/cm2 @ 532nm & 1064nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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REACH 241:
Compliant
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Product Family Description

  • Ideal for Multispectral Focusing Applications
  • Variety of Coating Options Offered
  • Multiple Sizes Available
  • λ/4 Spherical Mirrors Also Available

TECHSPEC® λ/8 Precision Spherical Mirrors are designed for research and technical OEM applications in the UV, visible, or IR ranges. Each size is available uncoated or with one of our various reflective mirror coatings.